Source : WordNet®

radiation sickness
     n : syndrome resulting from exposure to ionizing radiation
         (e.g., exposure to radioactive chemicals or to nuclear
         explosions); low doses cause diarrhea and nausea and
         vomiting and sometimes loss of hair; greater exposure can
         cause sterility and cataracts and some forms of cancer
         and other diseases; severe exposure can cause death
         within hours; "he was suffering from radiation" [syn: {radiation
         syndrome}, {radiation}]